2879375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:308

約数の個数: 20

約数和(自身を含む): 3823776

約数和(自身を除く): 944401

約数列:

[1, 5, 17, 25, 85, 125, 271, 425, 625, 1355, 2125, 4607, 6775, 10625, 23035, 33875, 115175, 169375, 575875, 2879375]

約数ペア:

[(1, 2879375), (5, 575875), (17, 169375), (25, 115175), (85, 33875), (125, 23035), (271, 10625), (425, 6775), (625, 4607), (1355, 2125)]